[INFO] cloning repository https://github.com/xuhaojie/actix-web-handler-calling-mechanism-simulation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xuhaojie/actix-web-handler-calling-mechanism-simulation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxuhaojie%2Factix-web-handler-calling-mechanism-simulation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxuhaojie%2Factix-web-handler-calling-mechanism-simulation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a668f86aa6efc6897401d3adbe55078383b50f48
[INFO] testing xuhaojie/actix-web-handler-calling-mechanism-simulation against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxuhaojie%2Factix-web-handler-calling-mechanism-simulation" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xuhaojie/actix-web-handler-calling-mechanism-simulation on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xuhaojie/actix-web-handler-calling-mechanism-simulation
[INFO] finished tweaking git repo https://github.com/xuhaojie/actix-web-handler-calling-mechanism-simulation
[INFO] tweaked toml for git repo https://github.com/xuhaojie/actix-web-handler-calling-mechanism-simulation written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/xuhaojie/actix-web-handler-calling-mechanism-simulation already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 73dc0dff0d24522e248c43a8d7901bd6e98f586b21b1580c778c9fb65a29888f
[INFO] running `Command { std: "docker" "start" "-a" "73dc0dff0d24522e248c43a8d7901bd6e98f586b21b1580c778c9fb65a29888f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "73dc0dff0d24522e248c43a8d7901bd6e98f586b21b1580c778c9fb65a29888f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73dc0dff0d24522e248c43a8d7901bd6e98f586b21b1580c778c9fb65a29888f", kill_on_drop: false }`
[INFO] [stdout] 73dc0dff0d24522e248c43a8d7901bd6e98f586b21b1580c778c9fb65a29888f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44e482d8e351e75fa7c549bb548da4c7fec9921444b9902ecf5ac2e6e5aa838a
[INFO] running `Command { std: "docker" "start" "-a" "44e482d8e351e75fa7c549bb548da4c7fec9921444b9902ecf5ac2e6e5aa838a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-sink v0.3.21
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr]    Compiling futures v0.3.21
[INFO] [stderr]    Compiling actix-web-handler-calling-mechanism-simulation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/main.rs:235:32
[INFO] [stdout]     |
[INFO] [stdout] 235 | async fn new_user(msg: String, f: f64) -> String {
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/main.rs:240:25
[INFO] [stdout]     |
[INFO] [stdout] 240 | async fn logout(i: i32, msg: String) -> f64 {
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/main.rs:245:20
[INFO] [stdout]     |
[INFO] [stdout] 245 | async fn list_user(msg: String, f: f64, i: i32) -> f64 {
[INFO] [stdout]     |                    ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:245:41
[INFO] [stdout]     |
[INFO] [stdout] 245 | async fn list_user(msg: String, f: f64, i: i32) -> f64 {
[INFO] [stdout]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.03s
[INFO] running `Command { std: "docker" "inspect" "44e482d8e351e75fa7c549bb548da4c7fec9921444b9902ecf5ac2e6e5aa838a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44e482d8e351e75fa7c549bb548da4c7fec9921444b9902ecf5ac2e6e5aa838a", kill_on_drop: false }`
[INFO] [stdout] 44e482d8e351e75fa7c549bb548da4c7fec9921444b9902ecf5ac2e6e5aa838a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c8d72ba99d0c9e95bd2a6d02c98d0558508b0a9102441632721b19b44c13251
[INFO] running `Command { std: "docker" "start" "-a" "4c8d72ba99d0c9e95bd2a6d02c98d0558508b0a9102441632721b19b44c13251", kill_on_drop: false }`
[INFO] [stderr]    Compiling actix-web-handler-calling-mechanism-simulation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]    --> src/main.rs:235:32
[INFO] [stdout]     |
[INFO] [stdout] 235 | async fn new_user(msg: String, f: f64) -> String {
[INFO] [stdout]     |                                ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/main.rs:240:25
[INFO] [stdout]     |
[INFO] [stdout] 240 | async fn logout(i: i32, msg: String) -> f64 {
[INFO] [stdout]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/main.rs:245:20
[INFO] [stdout]     |
[INFO] [stdout] 245 | async fn list_user(msg: String, f: f64, i: i32) -> f64 {
[INFO] [stdout]     |                    ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:245:41
[INFO] [stdout]     |
[INFO] [stdout] 245 | async fn list_user(msg: String, f: f64, i: i32) -> f64 {
[INFO] [stdout]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "4c8d72ba99d0c9e95bd2a6d02c98d0558508b0a9102441632721b19b44c13251", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c8d72ba99d0c9e95bd2a6d02c98d0558508b0a9102441632721b19b44c13251", kill_on_drop: false }`
[INFO] [stdout] 4c8d72ba99d0c9e95bd2a6d02c98d0558508b0a9102441632721b19b44c13251
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d06bcfcc34274242dfba98e6264d020da7ff619390a45eb6118a488c57eca9e6
[INFO] running `Command { std: "docker" "start" "-a" "d06bcfcc34274242dfba98e6264d020da7ff619390a45eb6118a488c57eca9e6", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]    --> src/main.rs:235:32
[INFO] [stderr]     |
[INFO] [stderr] 235 | async fn new_user(msg: String, f: f64) -> String {
[INFO] [stderr]     |                                ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]    --> src/main.rs:240:25
[INFO] [stderr]     |
[INFO] [stderr] 240 | async fn logout(i: i32, msg: String) -> f64 {
[INFO] [stderr]     |                         ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]    --> src/main.rs:245:20
[INFO] [stderr]     |
[INFO] [stderr] 245 | async fn list_user(msg: String, f: f64, i: i32) -> f64 {
[INFO] [stderr]     |                    ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/main.rs:245:41
[INFO] [stderr]     |
[INFO] [stderr] 245 | async fn list_user(msg: String, f: f64, i: i32) -> f64 {
[INFO] [stderr]     |                                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: `actix-web-handler-calling-mechanism-simulation` (bin "actix-web-handler-calling-mechanism-simulation" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/actix_web_handler_calling_mechanism_simulation-1d28d6f53f69e675)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d06bcfcc34274242dfba98e6264d020da7ff619390a45eb6118a488c57eca9e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d06bcfcc34274242dfba98e6264d020da7ff619390a45eb6118a488c57eca9e6", kill_on_drop: false }`
[INFO] [stdout] d06bcfcc34274242dfba98e6264d020da7ff619390a45eb6118a488c57eca9e6